<template>
    <el-card class="box-card">
        <el-card style="max-width: 480px" class="box-form">
      <template #header>
        <div class="card-header">
          <span>后台管理系统</span>
        </div>
      </template>
      <el-form ref="ruleFormRef" status-icon :model="form" :rules="rules" label-width="120px">
    <el-form-item label="用户名:" prop="username">
      <el-input v-model="form.username" type="text" autocomplete="off" placeholder="请输入用户名"/>
    </el-form-item>
    <el-form-item label="密码:" prop="password">
      <el-input
        v-model="form.password"
        type="password"
        autocomplete="off"
        placeholder="请输入密码"
      />
    </el-form-item>
    <el-form-item>
        <el-button type="primary" @click="submit(ruleFormRef)">
        登陆
      </el-button>
      <el-button @click="resetForm(ruleFormRef)">重置</el-button>
    </el-form-item>
  </el-form>
    </el-card>
    </el-card>
 </template>    

<script  setup>
import useToken from '../stores/token'
import notification from '../utils/notification'
import { reactive, ref } from 'vue'
import { useRouter } from 'vue-router'
import { login } from '../api'

const router = useRouter()
const { updateToken } = useToken()
const ruleFormRef=ref()
const form=reactive({
    username:'',
    password:''
})
const submit=formEl=>{
  formEl.validate(async valid => {
    if (valid) {
      const data = await login(form)
      if (data) {
        updateToken(data.token)
        router.push({ name: 'index' })
      }
    } else {
      notification({
        message: '表单填写有误',
        type: 'error'
      })
    }
  })

}
const resetForm=()=>{
    ruleFormRef.value.resetFields()
}
const rules=reactive({
    user:[{
        required:true,
        message:'请输入用户名',
        trigger:'blur'
    },{
        min:3,max:12,message:'用户名长度未3~12个字符',trigger:'blur'
    }],
    pass:[{
        required:true,
        message:'请输入密码',
        trigger:'blur'
    },{
        min:3,max:12,message:'密码长度未6~24个字符',trigger:'blur'
    }],
})
</script>



<style lang="scss" scoped>
.box-card {
  height: 100%;
  background: rgba(38, 72, 176) url('/images/loginBg.jpg') center / cover no-repeat;
  .box-form {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 70%;
    max-width: 750px;
    transform: translate(-50%, -50%);
    .card-header {
      display: flex;
      justify-content: center;
      align-items: center;
    }
    .el-form {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      .el-form-item {
        width: 70%;
        display: flex;
        align-items: center;
        justify-content: center;
        --el-form-label-font-size: 16px;
        margin-top: 15px;;
        margin-bottom: 15px;
        .button {
          width: 90px;
        }
        &.center {
          display: flex;
          justify-content: center;
        }
      }
    }
  }
}
</style>
